What kind of protection is added?

A password-reminder cover page is prepended in your browser — a visible deterrent, not encryption. For full AES-256 encryption, use Adobe Acrobat or a native desktop PDF tool.

What makes a strong password?

Use 12+ characters mixing letters, numbers and symbols. Store it safely — it cannot be recovered if lost.

No. Protection is applied 100% locally in your browser.

Can I remove the protection later?

Yes. Delete the cover page with the Split or Extract Pages tool, or re-save the pages you need.

What kind of protection is added?

A password-reminder cover page is prepended in your browser — a visible deterrent, not encryption. For full AES-256 encryption, use Adobe Acrobat or a native desktop PDF tool.

What makes a strong password?

Use 12+ characters mixing letters, numbers and symbols. Store it safely — it cannot be recovered if lost.

No. Protection is applied 100% locally in your browser.

Can I remove the protection later?

Yes. Delete the cover page with the Split or Extract Pages tool, or re-save the pages you need.

Protect PDF — Add Password

Add password encryption to your PDF.

Drop your file here

or click to browse · max 200 MB per file

Choose File

Tips

→Use a strong password with letters, numbers and symbols.
→Store your password safely — it cannot be recovered.

Other tools

Frequently asked questions

Quick answers about protect pdf — free, private, no sign-up.

Open the Protect PDF tool, upload your file, enter and confirm a password, then click Add Protection. A password-reminder cover page is added to the front of your document in seconds.

How to use Protect PDF

Done in under a minute — right in your browser.

1
Open the Protect PDF tool
Go to yumpdf.com/protect-pdf in any browser.
2
Select your PDF
Upload the PDF you want to protect.
3
Set a password
Enter and confirm a strong password.
4
Download the protected PDF
Save your PDF with its password cover page.